Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trung » thanh trung, hanh trang, manh trung
hieu manh » chieu xanh, hieu nganh, dieu hanh
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong tan » cong tac, cong san, cong thanh
toan ban » van ban
tan ban » tang ban, van ban, can ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu manh) or (chinh sach)) - hanh trung cua nhung cong tan ((tan ban) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chinh sach)) - hanh trung cua nhung cong tan ((tan ban) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu manh) or (chinh sach)) - hanh trung cua nhung cong tan ((tan ban) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chinh sach)) - hanh trung cua nhung cong tan ((tan ban) OR (toan ban))*.